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Set TCP_NOPUSH on HTTP requests, reducing the number of round-trips

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necessary to establish each connection.

MFC after:	2 weeks
This commit is contained in:
Kelly Yancey 2005-02-16 00:22:20 +00:00
parent 6009275136
commit 20a2a51bc3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=141958
1 changed files with 9 additions and 1 deletions
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10
lib/libfetch/http.c
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@ -76,6 +76,9 @@ __FBSDID("$FreeBSD$");
#include <time.h>
#include <unistd.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include "fetch.h"
#include "common.h"
#include "httperr.h"
@ -670,7 +673,7 @@ _http_connect(struct url *URL, struct url *purl, const char *flags)
{
conn_t *conn;
int verbose;
int af;
int af, val;
#ifdef INET6
af = AF_UNSPEC;
@ -705,6 +708,10 @@ _http_connect(struct url *URL, struct url *purl, const char *flags)
_fetch_syserr();
return (NULL);
}
val = 1;
setsockopt(conn->sd, IPPROTO_TCP, TCP_NOPUSH, &val, sizeof(val));
return (conn);
}
@ -906,6 +913,7 @@ _http_request(struct url *URL, const char *op, struct url_stat *us,
_http_cmd(conn, "Range: bytes=%lld-", (long long)url->offset);
_http_cmd(conn, "Connection: close");
_http_cmd(conn, "");
shutdown(conn->sd, SHUT_WR);
/* get reply */
switch (_http_get_reply(conn)) {